HALO 160 Å ES-CN, 2.7 µm, 4.6 x 100mm

HALO 400 A Diphenyl, 3.4 µm, 3.0 x 100mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 4.6 x 100mm

HALO 400 Å ES-C18, 3.4 µm, 4.6 x 5mm, Guard Colum